agenttesla | 49a4f4ea4426e028c7cc2cab9d05cbfb0f7c7921cb03b3b357527b57126a7d8a

General

Target

purchase_order T&B19-20PO128.pdf.exe
Size

539KB
MD5

9eec1064506c06de9bbaf14f53b7c5d3
SHA1

496020ae9f009e860cc34e4f7f589752205d0d5a
SHA256

d1248b99698d1efcfddacc89384b3df62e8dce35251d7a96dbb13cd31b30f853
SHA512

045cce9c17fd98029965655140ce795be9f50d9273c0d95302f3b78d4a0712996ce751c7e62ddf5b49582e515b1c2b645a08b91f04aa6a9b69b5db868bdb5e87
SSDEEP

12288:ncXeKbnWfOOCA+YzSFzRqoYv4MP7r9r/+ppppppppppppppppppppppppppppp0G:nPVC7Bzu1q

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
webmaster
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3552-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3552-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3552-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3552-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3552-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3552-8-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 api.ipify.org
12 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

purchase_order T&B19-20PO128.pdf.exe

description pid process target process

PID 1288 set thread context of 3552 1288 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

purchase_order T&B19-20PO128.pdf.exe

pid process

3552 purchase_order T&B19-20PO128.pdf.exe
3552 purchase_order T&B19-20PO128.pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

purchase_order T&B19-20PO128.pdf.exe

description pid process

Token: SeDebugPrivilege 3552 purchase_order T&B19-20PO128.pdf.exe

flow	ioc
11	api.ipify.org
12	api.ipify.org

description	pid	process	target process
PID 1288 set thread context of 3552	1288	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe

pid	process
3552	purchase_order T&B19-20PO128.pdf.exe
3552	purchase_order T&B19-20PO128.pdf.exe

description	pid	process
Token: SeDebugPrivilege	3552	purchase_order T&B19-20PO128.pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

purchase_order T&B19-20PO128.pdf.exe

description	pid	process	target process
PID 1288 wrote to memory of 3552	1288	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 1288 wrote to memory of 3552	1288	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 1288 wrote to memory of 3552	1288	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 1288 wrote to memory of 3552	1288	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 1288 wrote to memory of 3552	1288	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 1288 wrote to memory of 3552	1288	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 1288 wrote to memory of 3552	1288	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 1288 wrote to memory of 3552	1288	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe

C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1288

C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1288-12-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/1288-4-0x00000000057D0000-0x00000000057E0000-memory.dmp

Filesize
64KB

Download
memory/1288-0-0x0000000000B90000-0x0000000000C1C000-memory.dmp

Filesize
560KB

Download
memory/1288-3-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/1288-6-0x0000000005850000-0x00000000058A4000-memory.dmp

Filesize
336KB

Download
memory/1288-5-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/1288-7-0x0000000005790000-0x000000000579A000-memory.dmp

Filesize
40KB

Download
memory/1288-1-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/1288-2-0x0000000005AC0000-0x0000000006064000-memory.dmp

Filesize
5.6MB

Download
memory/3552-9-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/3552-10-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download
memory/3552-11-0x0000000005500000-0x0000000005566000-memory.dmp

Filesize
408KB

Download
memory/3552-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3552-13-0x0000000006B80000-0x0000000006BD0000-memory.dmp

Filesize
320KB

Download
memory/3552-14-0x0000000006C70000-0x0000000006D0C000-memory.dmp

Filesize
624KB

Download
memory/3552-15-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/3552-16-0x00000000054F0000-0x0000000005500000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads